Answer:
16x^2 + 48y + 36y^2
Explanation:
(4x + 6y)^2 =
= (4x + 6y)(4x + 6y) =
= 16x^2 + 24y + 24y + 36y^2 =
= 16x^2 + 48y + 36y^2
Hope this helps))
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